Merging upstream version 1.46.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/src/health/health.d/tcp_resets.conf b/src/health/health.d/tcp_resets.conf
new file mode 100644
index 000000000..63f798d78
--- /dev/null
+++ b/src/health/health.d/tcp_resets.conf
@@ -0,0 +1,66 @@
+# you can disable an alarm notification by setting the 'to' line to: silent
+
+# -----------------------------------------------------------------------------
+# tcp resets this host sends
+
+      alarm: 1m_ip_tcp_resets_sent
+         on: ip.tcphandshake
+      class: Errors
+       type: System
+  component: Network
+host labels: _os=linux
+     lookup: average -1m at -10s unaligned absolute of OutRsts
+      units: tcp resets/s
+      every: 10s
+       info: average number of sent TCP RESETS over the last minute
+
+      alarm: 10s_ip_tcp_resets_sent
+         on: ip.tcphandshake
+      class: Errors
+       type: System
+  component: Network
+host labels: _os=linux
+     lookup: average -10s unaligned absolute of OutRsts
+      units: tcp resets/s
+      every: 10s
+       warn: $netdata.uptime.uptime > (1 * 60) AND $this > ((($1m_ip_tcp_resets_sent < 5)?(5):($1m_ip_tcp_resets_sent)) * (($status >= $WARNING)  ? (1) : (10)))
+      delay: up 20s down 60m multiplier 1.2 max 2h
+    options: no-clear-notification
+    summary: System TCP outbound resets
+       info: Average number of sent TCP RESETS over the last 10 seconds. \
+             This can indicate a port scan, \
+             or that a service running on this host has crashed. \
+             Netdata will not send a clear notification for this alarm.
+         to: silent
+
+# -----------------------------------------------------------------------------
+# tcp resets this host receives
+
+      alarm: 1m_ip_tcp_resets_received
+         on: ip.tcphandshake
+      class: Errors
+       type: System
+  component: Network
+host labels: _os=linux freebsd
+     lookup: average -1m at -10s unaligned absolute of AttemptFails
+      units: tcp resets/s
+      every: 10s
+       info: average number of received TCP RESETS over the last minute
+
+      alarm: 10s_ip_tcp_resets_received
+         on: ip.tcphandshake
+      class: Errors
+       type: System
+  component: Network
+host labels: _os=linux freebsd
+     lookup: average -10s unaligned absolute of AttemptFails
+      units: tcp resets/s
+      every: 10s
+       warn: $netdata.uptime.uptime > (1 * 60) AND $this > ((($1m_ip_tcp_resets_received < 5)?(5):($1m_ip_tcp_resets_received)) * (($status >= $WARNING)  ? (1) : (10)))
+      delay: up 20s down 60m multiplier 1.2 max 2h
+    options: no-clear-notification
+    summary: System TCP inbound resets
+       info: average number of received TCP RESETS over the last 10 seconds. \
+             This can be an indication that a service this host needs has crashed. \
+             Netdata will not send a clear notification for this alarm.
+         to: silent